I also have experienced much lower maintenance numbers with ICEs than what are being quoted. I think it's a combination of the models I pick (only those manufactured in Japan) and the fact that I buy new and drive for 8-10 years so I'm the single owner.
My 2019 Santa Fe has needed oil changes and 0 other maintenance in 5 years/50k miles.
I do the oil changes myself in about 30 minutes and they cost me about $30 using synthetic oil(costco) and OEM filter. So, I have spent $300 in 5 years on maintenance. Still original tires.
The people claiming expensive maintenance on ICE cars DID NOT follow what manufacturer recommends but the dealer, who have an incentive to offer extra services.
